Miracote MiraFlex Membrane B 7096 1 gal Waterproof Membrane is a specially formulated polymer emulsion waterproofing designed for use over metal flashing, beneath ceramic tile, marble, quarry tile, below grade, between slab and under Miracote composition floors and decks. Miracote MiraFlex Membrane B is recommended for tank lining in potable water drinking systems. It is based on a unique acrylic emulsion that dries to form a tough water and vapor resistant film. The latex is water based, environmentally friendly and does not contain any solvent. Cold weather application is achieved with this membrane technology.